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| Mirrors > Home > MPE Home > Th. List > ubmelfzo | Structured version Visualization version GIF version | ||
| Description: If an integer in a 1-based finite set of sequential integers is subtracted from the upper bound of this finite set of sequential integers, the result is contained in a half-open range of nonnegative integers with the same upper bound. (Contributed by AV, 18-Mar-2018.) (Revised by AV, 30-Oct-2018.) |
| Ref | Expression |
|---|---|
| ubmelfzo | ⊢ (𝐾 ∈ (1...𝑁) → (𝑁 − 𝐾) ∈ (0..^𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simp3 1155 | . . . 4 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁) → 𝐾 ≤ 𝑁) | |
| 2 | nnnn0 12517 | . . . . . . 7 ⊢ (𝐾 ∈ ℕ → 𝐾 ∈ ℕ0) | |
| 3 | nnnn0 12517 | . . . . . . 7 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℕ0) | |
| 4 | 2, 3 | anim12i 624 | . . . . . 6 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝐾 ∈ ℕ0 ∧ 𝑁 ∈ ℕ0)) |
| 5 | 4 | 3adant3 1149 | . . . . 5 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁) → (𝐾 ∈ ℕ0 ∧ 𝑁 ∈ ℕ0)) |
| 6 | nn0sub 12560 | . . . . 5 ⊢ ((𝐾 ∈ ℕ0 ∧ 𝑁 ∈ ℕ0) → (𝐾 ≤ 𝑁 ↔ (𝑁 − 𝐾) ∈ ℕ0)) | |
| 7 | 5, 6 | syl 18 | . . . 4 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁) → (𝐾 ≤ 𝑁 ↔ (𝑁 − 𝐾) ∈ ℕ0)) |
| 8 | 1, 7 | mpbid 235 | . . 3 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁) → (𝑁 − 𝐾) ∈ ℕ0) |
| 9 | simp2 1154 | . . 3 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁) → 𝑁 ∈ ℕ) | |
| 10 | nngt0 12273 | . . . . 5 ⊢ (𝐾 ∈ ℕ → 0 < 𝐾) | |
| 11 | 10 | 3ad2ant1 1150 | . . . 4 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁) → 0 < 𝐾) |
| 12 | nnre 12246 | . . . . . . 7 ⊢ (𝐾 ∈ ℕ → 𝐾 ∈ ℝ) | |
| 13 | nnre 12246 | . . . . . . 7 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℝ) | |
| 14 | 12, 13 | anim12i 624 | . . . . . 6 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝐾 ∈ ℝ ∧ 𝑁 ∈ ℝ)) |
| 15 | 14 | 3adant3 1149 | . . . . 5 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁) → (𝐾 ∈ ℝ ∧ 𝑁 ∈ ℝ)) |
| 16 | ltsubpos 11712 | . . . . 5 ⊢ ((𝐾 ∈ ℝ ∧ 𝑁 ∈ ℝ) → (0 < 𝐾 ↔ (𝑁 − 𝐾) < 𝑁)) | |
| 17 | 15, 16 | syl 18 | . . . 4 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁) → (0 < 𝐾 ↔ (𝑁 − 𝐾) < 𝑁)) |
| 18 | 11, 17 | mpbid 235 | . . 3 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁) → (𝑁 − 𝐾) < 𝑁) |
| 19 | 8, 9, 18 | 3jca 1145 | . 2 ⊢ ((𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁) → ((𝑁 − 𝐾) ∈ ℕ0 ∧ 𝑁 ∈ ℕ ∧ (𝑁 − 𝐾) < 𝑁)) |
| 20 | elfz1b 13628 | . 2 ⊢ (𝐾 ∈ (1...𝑁) ↔ (𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁)) | |
| 21 | elfzo0 13736 | . 2 ⊢ ((𝑁 − 𝐾) ∈ (0..^𝑁) ↔ ((𝑁 − 𝐾) ∈ ℕ0 ∧ 𝑁 ∈ ℕ ∧ (𝑁 − 𝐾) < 𝑁)) | |
| 22 | 19, 20, 21 | 3imtr4i 295 | 1 ⊢ (𝐾 ∈ (1...𝑁) → (𝑁 − 𝐾) ∈ (0..^𝑁)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 400 ∧ w3a 1102 ∈ wcel 2142 class class class wbr 5108 (class class class)co 7412 ℝcr 11105 0cc0 11106 1c1 11107 < clt 11249 ≤ cle 11250 − cmin 11447 ℕcn 12239 ℕ0cn0 12510 ...cfz 13541 ..^cfzo 13689 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5555 df-eprel 5560 df-po 5568 df-so 5569 df-fr 5613 df-we 5615 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7861 df-1st 7984 df-2nd 7985 df-frecs 8276 df-wrecs 8307 df-recs 8356 df-rdg 8395 df-er 8692 df-en 8942 df-dom 8943 df-sdom 8944 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 df-sub 11449 df-neg 11450 df-nn 12240 df-n0 12511 df-z 12598 df-uz 12869 df-fz 13542 df-fzo 13690 |
| This theorem is used by: cshwidxm 14852 chnrev 18689 crctcshwlkn0lem6 30175 dlwwlknondlwlknonf1olem1 30726 vietalem 33978 gpgedgvtx1 48855 |
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